Once, while being on a job search, I received an interesting test assignment: analyze Viber for Android, find vulnerabilities in it, and exploit them. Using this episode as an example, I will demonstrate you an efficient approach that can be used to analyze real apps and obtain results in a short time. Joking aside: if you go through all the steps described below, you have a good chance to find a 0-day vulnerability in Viber. 😉